docs: def tagReportCallback(llrpMsg):
      """Function to run each time the reader reports seeing tags."""
      global tagReport
      tags = llrpMsg.msgdict['RO_ACCESS_REPORT']['TagReportData']
      if len(tags):
          logger.info('saw tag(s): %s', pprint.pformat(tags))
      else:
          logger.info('no tags seen')
          return
      for tag in tags:
          tagReport += tag['TagSeenCount'][0]
          if "OpSpecResult" in tag:
              result = tag["OpSpecResult"].get("Result")
              logger.debug("result: %s", result)